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#ifndef ICONBUFFER_H_INCLUDED
#define ICONBUFFER_H_INCLUDED
#ifndef FFS_WIN
#warning //this header should be used in the windows build only!
#endif
#include <vector>
#include "zstring.h"
#include <memory>
class wxCriticalSection;
class WorkerThread;
class IconDB;
class IconDbSequence;
class wxIcon;
namespace FreeFileSync
{
class IconBuffer
{
friend class ::WorkerThread;
public:
static IconBuffer& getInstance();
bool requestIcon(const Zstring& fileName, wxIcon* icon = NULL); //returns false if icon is not in buffer
void setWorkload(const std::vector<Zstring>& load); //(re-)set new workload of icons to be retrieved;
static const int ICON_SIZE = 16; //size in pixel
private:
IconBuffer();
~IconBuffer();
//methods used by worker thread
void insertIntoBuffer(const DefaultChar* fileName, const wxIcon& icon);
//---------------------- Shared Data -------------------------
std::auto_ptr<wxCriticalSection> lockIconDB;
std::auto_ptr<IconDB> buffer; //use synchronisation when accessing this!
//------------------------------------------------------------
std::auto_ptr<IconDbSequence> bufSequence; //save sequence of buffer entry to delte olderst elements
std::auto_ptr<WorkerThread> worker;
};
}
#endif // ICONBUFFER_H_INCLUDED
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